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HDCP – An abbreviation for High-bandwidth Digital
Content Protection. HDCP is a form of Digital Rights
Management licensed by Digital Content Protection,
LLC, to control digital audio and video content as it
travels across Digital Visual Interface (DVI) or High-
Definition Multimedia Interface (HDMI) connections.
(It prevents unauthorized copying of programs.)
HDMI – An abbreviation for High-Definition Multimedia
Interface. HDMI is a de-facto standard interface that
delivers clear, all-digital audio and video via a single
cable.
HDTV – An abbreviation for High-Definition TV, a digital
television format that delivers sharper picture quality
with more lines of resolution. HDTV offers a much
better picture quality than standard television.
IR – An abbreviation for infrared. Pertains to the type of
remote that sends/receives commands on an infrared
light beam.
Letterbox – A video format that has an aspect ratio
wider than 4:3 (refer to Aspect ratio) and is shown with
black bars above and below the picture.
MP3 – This is a compressed audio format (MPEG-1
Layer III) that allows the recording of many hours of
music on a single CD.
MPEG – An abbreviation for Moving Picture Experts
Group, the
committee of experts from the audio, video,
and computer industries involved in setting standards
for compression of moving images.
NTSC – An abbreviation for National Television System
Committee and the label for its video format standard
used for televisions in the U.S. and other countries.
Optical cable – Carries digital audio via optical fiber
between a source device and your 3•2•1
®
system.
PAL – An acronym for the Phase Alternate Line video
format used extensively in Western Europe.
PCM – An abbreviation for Pulse Code Modulation.
A common form of digital audio signal.
Progressive scan – A video format that displays all
lines of the picture frame in a single pass and refreshes
the TV image 30 times per second. Not compatible with
all video displays.
PVR – Refer to DVR.
RDS – A system that displays radio broadcast station
and programming information. This feature is available
on European systems only.
Resolution – The sharpness of a video image, signal,
or display, generally described either in terms of lines of
resolution or pixels.
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GLOSSARY